Home / 9,181,816.30-13,772,724.45-8,189,793.10

Finding the Fourth Proportional to 9,181,816.30, 13,772,724.45 and 8,189,793.10

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Solution

The fourth proportional to 9,181,816.30, 13,772,724.45 and 8,189,793.10 is: 12,284,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,816.30 : 13,772,724.45 = 8,189,793.10 : x
  2. Step 2: Convert to fraction form
    9,181,816.30/13,772,724.45 = 8,189,793.10/x
  3. Step 3: Cross multiply
    9,181,816.30x = 13,772,724.45 × 8,189,793.10
  4. Step 4: Simplify right side
    9,181,816.30x = 112,795,763,668,811.28
  5. Step 5: Solve for x
    x = 112,795,763,668,811.28/9,181,816.30
  6. Step 6: Final answer
    x = 12,284,689.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.